struts2访问session,request,application

1.访问或添加request/session/application属性

public String scope() throws Exception{
   ActionContext ctx = ActionContext.getContext();
   ctx.getApplication().put("app", "应用范围");//往ServletContext里放入app
   ctx.getSession().put("ses", "session范围");//往session里放入ses
   ctx.put("req", "request范围");//往request里放入req
   return "scope";
}

JSP:
<body>
    ${applicationScope.app} <br>
    ${sessionScope.ses}<br>
    ${requestScope.req}<br>
</body>

你可能感兴趣的:(jsp)